Perhaps you should try some spelling variations:
yang liang » wang liang, yan liang, peng liang
yang yang » wang yang, wang yan
hui yang » hui ying, du yang, h yang
tan hua » tuan hua, wang hua, tan chia
hua hui » huo hui, chua jui, chun hui
2 long » a long, 3.2 long, 6.2 long
3 long » a long, 3.2 long, 3.1 long

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((yang liang) or (yang yang)) tan hua hui yang ((2 long) OR (3 long)) d ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((yang liang) OR (yang yang)) tan hua hui yang ((2 long) OR (3 long)) d ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((yang liang) or (yang yang)) tan hua hui yang ((2 long) OR (3 long)) d ;*".